用于将UTM坐标转换为纬度和经度的开源PHP函数？

像这样的东西会很棒：

$UTM_ZONE = '32';
$UTMX = '60329834,34';
$UTMY = '67382984,9';

$latlng = convert($UTM_ZONE,$UTMX,$UTMY);

// $latlng = Now looks like
// array('lat' => '59.4472917501','lng' => '5.3928572425')

谢谢